Croatia
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Religious Adherents, 2010 (World Christian Database)1

Croatia Southern Europe World
Baha'i 0.0% <0.1% 0.1%
Buddhist 0.0% <0.1% 7.2%
Chinese Universalist 0.0% <0.1% 6.3%
Christian 93.5% 82.4% 32.8%
Confucianist 0.0% 0.0% 0.1%
Ethnoreligionist 0.0% <0.1% 3.5%
Hindu 0.0% <0.1% 13.8%
Jain 0.0% 0.0% <0.1%
Jewish <0.1% <0.1% 0.2%
Muslim 1.9% 6.6% 22.5%
Shintoist 0.0% 0.0% <0.1%
Sikh 0.0% <0.1% 0.3%
Spiritist 0.0% <0.1% 0.2%
Taoist 0.0% 0.0% 0.1%
Zoroastrian 0.0% 0.0% <0.1%
Neoreligionists 0.0% <0.1% 0.9%
Atheist 1.5% 2.1% 2.0%
Agnostic 3.1% 8.5% 9.8%

Religious Demography2

The country has an area of 21,831 square miles and a population of 4.5 million. Approximately 85 percent of the population is Roman Catholic, and 6 percent is Serbian Orthodox Christian. Groups that constitute less than 5 percent of the population include Muslims, Jews, and followers of other religions. Religious affiliation correlates closely with the country's ethnic makeup. The Serbian Orthodox, predominantly ethnic Serbs associated with the Serbian Orthodox Church (SPC), live primarily in cities and areas bordering Bosnia and Herzegovina, Serbia, and Montenegro. Most members of other minority religious groups reside in urban areas. Most immigrants are Roman Catholic ethnic Croats from Bosnia.

Sources

Note: The World Christian Database (WCD) estimates, used in the Religious Adherents section above, count each person as belonging to a maximum of one religious group. For more information, see the WCD methodology document. The U.S. State Department's International Religious Freedom report estimates, used in the Religious Demography section, use less restrictive criteria in which a person who identifies with more than one religion is classified as a follower of each. In certain cases (such as Japan and other nations with strong folk religion traditions), this can cause counts to vary widely between estimates. Users are advised to consult the relevant source documents before determining which counts to cite.

1.  The World Christian Database (WCD) is based on the 2600-page award-winning World Christian Encyclopedia and World Christian Trends, first published in 1982 and revised in 2001. This extensive work on World religion is now completely updated and integrated into the WCD online database. Designed for both the casual user and research scholar, information is readily available on religious activities, growth rates, religious literature, worker activity, and demographic statistics. Additional secular data is incorporated on population, health, education, and communications. A dataset with these and the other international measures highlighted on the country pages can be downloaded from this website. Used with permission.

2.  The U.S. State Department's International Religious Freedom Report is submitted to Congress annually by the Department of State in compliance with Section 102(b) of the International Religious Freedom Act (IRFA) of 1998. This report supplements the most recent Human Rights Reports by providing additional detailed information with respect to matters involving international religious freedom. It includes individual country chapters on the status of religious freedom worldwide. A dataset with these and the other international measures highlighted on the country pages can be downloaded from this website. These State Department reports are open source.